Proving once again one she’s one of the hottest stars on TV, Nina debuted a striking a new hairstyle. Instead of sporting her signature brown locks, the 25-year-old actress showed off long, textured waves with dramatic ombre highlights. She paired the stunning look with a plunging Alberta Ferretti blazer and a matching black skirt, then finished it all off with sexy metallic heels by Christian Louboutin.

Inside the event, Paul spoke to Just Jared about his character’s shocking death in last week’s episode. “I didn’t really know until I was at the table read,” he said with a laugh. “I thought it was fantastic. I love twists and turns. It really got me. Maybe he’ll come back, I don’t know. It was wonderful.”

Click through to see more photos of Nina’s new hair at the 2014 CW Upfronts, then make sure to tune in tonight (May 15) for the Vampire Diaries Season 5 finale! ;